Personalized Hello 2nd Grade 1st Day of School T-Shirt. 2nd grade back to school idea says hello second grade on a T-Shirt - White for students Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.